Home / 139,088,062.98-191,931,925.48-77,203,530

Finding the Fourth Proportional to 139,088,062.98, 191,931,925.48 and 77,203,530

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Solution

The fourth proportional to 139,088,062.98, 191,931,925.48 and 77,203,530 is: 106,535,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,088,062.98 : 191,931,925.48 = 77,203,530 : x
  2. Step 2: Convert to fraction form
    139,088,062.98/191,931,925.48 = 77,203,530/x
  3. Step 3: Cross multiply
    139,088,062.98x = 191,931,925.48 × 77,203,530
  4. Step 4: Simplify right side
    139,088,062.98x = 14,817,822,166,559,934
  5. Step 5: Solve for x
    x = 14,817,822,166,559,934/139,088,062.98
  6. Step 6: Final answer
    x = 106,535,541.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.